/**
 * jscolor, JavaScript Color Picker
 *
 * @version 1.3.13
 * @license GNU Lesser General Public License, http://www.gnu.org/copyleft/lesser.html
 * @author  Jan Odvarko, http://odvarko.cz
 * @created 2008-06-15
 * @updated 2012-01-19
 * @link    http://jscolor.com
 */

var jscolor = {

  dir: '', // location of jscolor directory (leave empty to autodetect)
  bindClass: 'color', // class name
  binding: true, // automatic binding via <input class="...">
  preloading: true, // use image preloading?

  install: function () {
    // jscolor.addEvent(window, 'load', jscolor.init);
  },

  init: function () {
    if (jscolor.preloading) {
      jscolor.preload()
    }
  },

  getDir: function () {
    if (!jscolor.dir) {
      var detected = jscolor.detectDir()
      jscolor.dir = detected !== false ? detected : 'jscolor/'
    }
    return jscolor.dir
  },

  detectDir: function () {
    var base = location.href

    var e = document.getElementsByTagName('base')
    for (var i = 0; i < e.length; i += 1) {
      if (e[i].href) { base = e[i].href }
    }

    var e = document.getElementsByTagName('script')
    for (var i = 0; i < e.length; i += 1) {
      if (e[i].src && /(^|\/)jscolor\.js([?#].*)?$/i.test(e[i].src)) {
        var src = new jscolor.URI(e[i].src)
        var srcAbs = src.toAbsolute(base)
        srcAbs.path = srcAbs.path.replace(/[^\/]+$/, '') // remove filename
        srcAbs.query = null
        srcAbs.fragment = null
        return srcAbs.toString()
      }
    }
    return false
  },

  preload: function () {
    for (var fn in jscolor.imgRequire) {
      if (jscolor.imgRequire.hasOwnProperty(fn)) {
        jscolor.loadImage(fn)
      }
    }
  },

  images: {
    pad: [181, 101],
    sld: [16, 101],
    cross: [15, 15],
    arrow: [7, 11]
  },

  imgRequire: {},
  imgLoaded: {},

  requireImage: function (filename) {
    jscolor.imgRequire[filename] = true
  },

  loadImage: function (filename) {
    if (!jscolor.imgLoaded[filename]) {
      jscolor.imgLoaded[filename] = new Image()
      jscolor.imgLoaded[filename].src = jscolor.getDir() + filename
    }
  },

  fetchElement: function (mixed) {
    return typeof mixed === 'string' ? document.getElementById(mixed) : mixed
  },

  addEvent: function (el, evnt, func) {
    if (el.addEventListener) {
      el.addEventListener(evnt, func, false)
    } else if (el.attachEvent) {
      el.attachEvent('on' + evnt, func)
    }
  },

  fireEvent: function (el, evnt) {
    if (!el) {
      return
    }
    if (document.createEvent) {
      var ev = document.createEvent('HTMLEvents')
      ev.initEvent(evnt, true, true)
      el.dispatchEvent(ev)
    } else if (document.createEventObject) {
      var ev = document.createEventObject()
      el.fireEvent('on' + evnt, ev)
    } else if (el['on' + evnt]) { // alternatively use the traditional event model (IE5)
      el['on' + evnt]()
    }
  },

  getElementPos: function (e) {
    var e1 = e; var e2 = e
    var x = 0; var y = 0
    if (e1.offsetParent) {
      do {
        x += e1.offsetLeft
        y += e1.offsetTop
      } while (e1 = e1.offsetParent)
    }
    while ((e2 = e2.parentNode) && e2.nodeName.toUpperCase() !== 'BODY') {
      x -= e2.scrollLeft
      y -= e2.scrollTop
    }
    return [x, y]
  },

  getElementSize: function (e) {
    return [e.offsetWidth, e.offsetHeight]
  },

  getRelMousePos: function (e) {
    var x = 0; var y = 0
    if (!e) { e = window.event }
    if (typeof e.offsetX === 'number') {
      x = e.offsetX
      y = e.offsetY
    } else if (typeof e.layerX === 'number') {
      x = e.layerX
      y = e.layerY
    }
    return { x: x, y: y }
  },

  getViewPos: function () {
    if (typeof window.pageYOffset === 'number') {
      return [window.pageXOffset, window.pageYOffset]
    } else if (document.body && (document.body.scrollLeft || document.body.scrollTop)) {
      return [document.body.scrollLeft, document.body.scrollTop]
    } else if (document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
      return [document.documentElement.scrollLeft, document.documentElement.scrollTop]
    } else {
      return [0, 0]
    }
  },

  getViewSize: function () {
    if (typeof window.innerWidth === 'number') {
      return [window.innerWidth, window.innerHeight]
    } else if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
      return [document.body.clientWidth, document.body.clientHeight]
    } else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
      return [document.documentElement.clientWidth, document.documentElement.clientHeight]
    } else {
      return [0, 0]
    }
  },

  URI: function (uri) { // See RFC3986
    this.scheme = null
    this.authority = null
    this.path = ''
    this.query = null
    this.fragment = null

    this.parse = function (uri) {
      var m = uri.match(/^(([A-Za-z][0-9A-Za-z+.-]*)(:))?((\/\/)([^\/?#]*))?([^?#]*)((\?)([^#]*))?((#)(.*))?/)
      this.scheme = m[3] ? m[2] : null
      this.authority = m[5] ? m[6] : null
      this.path = m[7]
      this.query = m[9] ? m[10] : null
      this.fragment = m[12] ? m[13] : null
      return this
    }

    this.toString = function () {
      var result = ''
      if (this.scheme !== null) { result = result + this.scheme + ':' }
      if (this.authority !== null) { result = result + '//' + this.authority }
      if (this.path !== null) { result = result + this.path }
      if (this.query !== null) { result = result + '?' + this.query }
      if (this.fragment !== null) { result = result + '#' + this.fragment }
      return result
    }

    this.toAbsolute = function (base) {
      var base = new jscolor.URI(base)
      var r = this
      var t = new jscolor.URI()

      if (base.scheme === null) { return false }

      if (r.scheme !== null && r.scheme.toLowerCase() === base.scheme.toLowerCase()) {
        r.scheme = null
      }

      if (r.scheme !== null) {
        t.scheme = r.scheme
        t.authority = r.authority
        t.path = removeDotSegments(r.path)
        t.query = r.query
      } else {
        if (r.authority !== null) {
          t.authority = r.authority
          t.path = removeDotSegments(r.path)
          t.query = r.query
        } else {
          if (r.path === '') { // TODO: == or === ?
            t.path = base.path
            if (r.query !== null) {
              t.query = r.query
            } else {
              t.query = base.query
            }
          } else {
            if (r.path.substr(0, 1) === '/') {
              t.path = removeDotSegments(r.path)
            } else {
              if (base.authority !== null && base.path === '') { // TODO: == or === ?
                t.path = '/' + r.path
              } else {
                t.path = base.path.replace(/[^\/]+$/, '') + r.path
              }
              t.path = removeDotSegments(t.path)
            }
            t.query = r.query
          }
          t.authority = base.authority
        }
        t.scheme = base.scheme
      }
      t.fragment = r.fragment

      return t
    }

    function removeDotSegments (path) {
      var out = ''
      while (path) {
        if (path.substr(0, 3) === '../' || path.substr(0, 2) === './') {
          path = path.replace(/^\.+/, '').substr(1)
        } else if (path.substr(0, 3) === '/./' || path === '/.') {
          path = '/' + path.substr(3)
        } else if (path.substr(0, 4) === '/../' || path === '/..') {
          path = '/' + path.substr(4)
          out = out.replace(/\/?[^\/]*$/, '')
        } else if (path === '.' || path === '..') {
          path = ''
        } else {
          var rm = path.match(/^\/?[^\/]*/)[0]
          path = path.substr(rm.length)
          out = out + rm
        }
      }
      return out
    }

    if (uri) {
      this.parse(uri)
    }
  },

  /*
	 * Usage example:
	 * var myColor = new jscolor.color(myInputElement)
	 */

  color: function (target, prop) {
    this.required = true // refuse empty values?
    this.adjust = true // adjust value to uniform notation?
    this.hash = false // prefix color with # symbol?
    this.caps = true // uppercase?
    this.slider = true // show the value/saturation slider?
    this.valueElement = target // value holder
    this.styleElement = target // where to reflect current color
    this.onImmediateChange = null // onchange callback (can be either string or function)
    this.hsv = [0, 0, 1] // read-only  0-6, 0-1, 0-1
    this.rgb = [1, 1, 1] // read-only  0-1, 0-1, 0-1

    this.pickerOnfocus = true // display picker on focus?
    this.pickerMode = 'HSV' // HSV | HVS
    this.pickerPosition = 'bottom' // left | right | top | bottom
    this.pickerSmartPosition = true // automatically adjust picker position when necessary
    this.pickerButtonHeight = 20 // px
    this.pickerClosable = false
    this.pickerCloseText = 'Close'
    this.pickerButtonColor = 'ButtonText' // px
    this.pickerFace = 0 // px
    this.pickerFaceColor = 'ThreeDFace' // CSS color
    this.pickerBorder = 1 // px
    this.pickerBorderColor = 'ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight' // CSS color
    this.pickerInset = 1 // px
    this.pickerInsetColor = 'ThreeDShadow ThreeDHighlight ThreeDHighlight ThreeDShadow' // CSS color
    this.pickerZIndex = 10000

    for (var p in prop) {
      if (prop.hasOwnProperty(p)) {
        this[p] = prop[p]
      }
    }

    this.hidePicker = function () {
      if (isPickerOwner()) {
        removePicker()
      }
    }

    this.showPicker = function () {
      if (!isPickerOwner()) {
        var tp = jscolor.getElementPos(target) // target pos
        var ts = jscolor.getElementSize(target) // target size
        var vp = jscolor.getViewPos() // view pos
        var vs = jscolor.getViewSize() // view size
        var ps = getPickerDims(this) // picker size
        var a, b, c
        switch (this.pickerPosition.toLowerCase()) {
          case 'left': a = 1; b = 0; c = -1; break
          case 'right':a = 1; b = 0; c = 1; break
          case 'top': a = 0; b = 1; c = -1; break
          default: a = 0; b = 1; c = 1; break
        }
        var l = (ts[b] + ps[b]) / 2

        // picker pos
        if (!this.pickerSmartPosition) {
          var pp = [
            tp[a],
            tp[b] + ts[b] - l + l * c
          ]
        } else {
          var pp = [
            -vp[a] + tp[a] + ps[a] > vs[a]
              ? (-vp[a] + tp[a] + ts[a] / 2 > vs[a] / 2 && tp[a] + ts[a] - ps[a] >= 0 ? tp[a] + ts[a] - ps[a] : tp[a])
              : tp[a],
            -vp[b] + tp[b] + ts[b] + ps[b] - l + l * c > vs[b]
              ? (-vp[b] + tp[b] + ts[b] / 2 > vs[b] / 2 && tp[b] + ts[b] - l - l * c >= 0 ? tp[b] + ts[b] - l - l * c : tp[b] + ts[b] - l + l * c)
              : (tp[b] + ts[b] - l + l * c >= 0 ? tp[b] + ts[b] - l + l * c : tp[b] + ts[b] - l - l * c)
          ]
        }
        drawPicker(0, 0)
      }
    }

    this.importColor = function () {
      if (!valueElement) {
        this.exportColor()
      } else {
        if (!this.adjust) {
          if (!this.fromString(valueElement.value, leaveValue)) {
            styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage
            styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor
            styleElement.style.color = styleElement.jscStyle.color
            this.exportColor(leaveValue | leaveStyle)
          }
        } else if (!this.required && /^\s*$/.test(valueElement.value)) {
          valueElement.value = ''
          styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage
          styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor
          styleElement.style.color = styleElement.jscStyle.color
          this.exportColor(leaveValue | leaveStyle)
        } else if (this.fromString(valueElement.value)) {
          // OK
        } else {
          this.exportColor()
        }
      }
    }

    this.exportColor = function (flags) {
      if (!(flags & leaveValue) && valueElement) {
        var value = this.toString()
        if (this.caps) { value = value.toUpperCase() }
        if (this.hash) { value = '#' + value }
        valueElement.value = value
      }
      if (!(flags & leaveStyle) && styleElement) {
        styleElement.style.backgroundImage = 'none'
        styleElement.style.backgroundColor =
					'#' + this.toString()
        styleElement.style.color =
					0.213 * this.rgb[0] +
					0.715 * this.rgb[1] +
					0.072 * this.rgb[2] <
					0.5 ? '#FFF' : '#000'
      }
      if (!(flags & leavePad) && isPickerOwner()) {
        redrawPad()
      }
      if (!(flags & leaveSld) && isPickerOwner()) {
        redrawSld()
      }
    }

    this.fromHSV = function (h, s, v, flags) { // null = don't change
      h < 0 && (h = 0) || h > 6 && (h = 6)
      s < 0 && (s = 0) || s > 1 && (s = 1)
      v < 0 && (v = 0) || v > 1 && (v = 1)
      this.rgb = HSV_RGB(
        h === null ? this.hsv[0] : (this.hsv[0] = h),
        s === null ? this.hsv[1] : (this.hsv[1] = s),
        v === null ? this.hsv[2] : (this.hsv[2] = v)
      )
      this.exportColor(flags)
    }

    this.fromRGB = function (r, g, b, flags) { // null = don't change
      r < 0 && (r = 0) || r > 1 && (r = 1)
      g < 0 && (g = 0) || g > 1 && (g = 1)
      b < 0 && (b = 0) || b > 1 && (b = 1)
      var hsv = RGB_HSV(
        r === null ? this.rgb[0] : (this.rgb[0] = r),
        g === null ? this.rgb[1] : (this.rgb[1] = g),
        b === null ? this.rgb[2] : (this.rgb[2] = b)
      )
      if (hsv[0] !== null) {
        this.hsv[0] = hsv[0]
      }
      if (hsv[2] !== 0) {
        this.hsv[1] = hsv[1]
      }
      this.hsv[2] = hsv[2]
      this.exportColor(flags)
    }

    this.fromString = function (hex, flags) {
      var m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i)
      if (!m) {
        return false
      } else {
        if (m[1].length === 6) { // 6-char notation
          this.fromRGB(
            parseInt(m[1].substr(0, 2), 16) / 255,
            parseInt(m[1].substr(2, 2), 16) / 255,
            parseInt(m[1].substr(4, 2), 16) / 255,
            flags
          )
        } else { // 3-char notation
          this.fromRGB(
            parseInt(m[1].charAt(0) + m[1].charAt(0), 16) / 255,
            parseInt(m[1].charAt(1) + m[1].charAt(1), 16) / 255,
            parseInt(m[1].charAt(2) + m[1].charAt(2), 16) / 255,
            flags
          )
        }
        return true
      }
    }

    this.toString = function () {
      return (
        (0x100 | Math.round(255 * this.rgb[0])).toString(16).substr(1) +
				(0x100 | Math.round(255 * this.rgb[1])).toString(16).substr(1) +
				(0x100 | Math.round(255 * this.rgb[2])).toString(16).substr(1)
      )
    }

    function RGB_HSV (r, g, b) {
      var n = Math.min(Math.min(r, g), b)
      var v = Math.max(Math.max(r, g), b)
      var m = v - n
      if (m === 0) { return [null, 0, v] }
      var h = r === n ? 3 + (b - g) / m : (g === n ? 5 + (r - b) / m : 1 + (g - r) / m)
      return [h === 6 ? 0 : h, m / v, v]
    }

    function HSV_RGB (h, s, v) {
      if (h === null) { return [v, v, v] }
      var i = Math.floor(h)
      var f = i % 2 ? h - i : 1 - (h - i)
      var m = v * (1 - s)
      var n = v * (1 - s * f)
      switch (i) {
        case 6:
        case 0: return [v, n, m]
        case 1: return [n, v, m]
        case 2: return [m, v, n]
        case 3: return [m, n, v]
        case 4: return [n, m, v]
        case 5: return [v, m, n]
      }
    }

    function removePicker () {
      delete jscolor.picker.owner
      document.getElementsByTagName('body')[0].removeChild(jscolor.picker.boxB)
    }

    function drawPicker (x, y) {
      if (!jscolor.picker) {
        jscolor.picker = {
          box: document.createElement('div'),
          boxB: document.createElement('div'),
          pad: document.createElement('div'),
          padB: document.createElement('div'),
          padM: document.createElement('div'),
          sld: document.createElement('div'),
          sldB: document.createElement('div'),
          sldM: document.createElement('div'),
          btn: document.createElement('div'),
          btnS: document.createElement('span'),
          btnT: document.createTextNode(THIS.pickerCloseText)
        }
        for (var i = 0, segSize = 4; i < jscolor.images.sld[1]; i += segSize) {
          var seg = document.createElement('div')
          seg.style.height = segSize + 'px'
          seg.style.fontSize = '1px'
          seg.style.lineHeight = '0'
          jscolor.picker.sld.appendChild(seg)
        }
        jscolor.picker.sldB.appendChild(jscolor.picker.sld)
        jscolor.picker.box.appendChild(jscolor.picker.sldB)
        jscolor.picker.box.appendChild(jscolor.picker.sldM)
        jscolor.picker.padB.appendChild(jscolor.picker.pad)
        jscolor.picker.box.appendChild(jscolor.picker.padB)
        jscolor.picker.box.appendChild(jscolor.picker.padM)
        jscolor.picker.btnS.appendChild(jscolor.picker.btnT)
        jscolor.picker.btn.appendChild(jscolor.picker.btnS)
        jscolor.picker.box.appendChild(jscolor.picker.btn)
        jscolor.picker.boxB.appendChild(jscolor.picker.box)
      }

      var p = jscolor.picker

      // controls interaction
      p.box.onmouseup =
			p.box.onmouseout = function () { if (!mxClient.IS_TOUCH) { target.focus() } }
      p.box.onmousedown = function () { abortBlur = true }
      p.box.onmousemove = function (e) {
        if (holdPad || holdSld) {
          holdPad && setPad(e)
          holdSld && setSld(e)
          if (document.selection) {
            document.selection.empty()
          } else if (window.getSelection) {
            window.getSelection().removeAllRanges()
          }
          dispatchImmediateChange()
        }
      }
      p.padM.onmouseup =
			p.padM.onmouseout = function () { if (holdPad) { holdPad = false; jscolor.fireEvent(valueElement, 'change') } }
      p.padM.onmousedown = function (e) {
        // if the slider is at the bottom, move it up
        switch (modeID) {
          case 0: if (THIS.hsv[2] === 0) { THIS.fromHSV(null, null, 1.0) }; break
          case 1: if (THIS.hsv[1] === 0) { THIS.fromHSV(null, 1.0, null) }; break
        }
        holdPad = true
        setPad(e)
        dispatchImmediateChange()
      }
      p.sldM.onmouseup =
			p.sldM.onmouseout = function () { if (holdSld) { holdSld = false; jscolor.fireEvent(valueElement, 'change') } }
      p.sldM.onmousedown = function (e) {
        holdSld = true
        setSld(e)
        dispatchImmediateChange()
      }

      // picker
      var dims = getPickerDims(THIS)
      p.box.style.width = dims[0] + 'px'
      p.box.style.height = dims[1] + 'px'

      // picker border
      p.boxB.style.position = 'absolute'
      p.boxB.style.clear = 'both'
      p.boxB.style.left = x + 'px'
      p.boxB.style.top = y + 'px'
      p.boxB.style.zIndex = THIS.pickerZIndex
      p.boxB.style.border = THIS.pickerBorder + 'px solid'
      p.boxB.style.borderColor = THIS.pickerBorderColor
      p.boxB.style.background = THIS.pickerFaceColor

      // pad image
      p.pad.style.width = jscolor.images.pad[0] + 'px'
      p.pad.style.height = jscolor.images.pad[1] + 'px'

      // pad border
      p.padB.style.position = 'absolute'
      p.padB.style.left = THIS.pickerFace + 'px'
      p.padB.style.top = THIS.pickerFace + 'px'
      p.padB.style.border = THIS.pickerInset + 'px solid'
      p.padB.style.borderColor = THIS.pickerInsetColor

      // pad mouse area
      p.padM.style.position = 'absolute'
      p.padM.style.left = '0'
      p.padM.style.top = '0'
      p.padM.style.width = THIS.pickerFace + 2 * THIS.pickerInset + jscolor.images.pad[0] + jscolor.images.arrow[0] + 'px'
      p.padM.style.height = p.box.style.height
      p.padM.style.cursor = 'crosshair'

      // slider image
      p.sld.style.overflow = 'hidden'
      p.sld.style.width = jscolor.images.sld[0] + 'px'
      p.sld.style.height = jscolor.images.sld[1] + 'px'

      // slider border
      p.sldB.style.display = THIS.slider ? 'block' : 'none'
      p.sldB.style.position = 'absolute'
      p.sldB.style.right = THIS.pickerFace + 'px'
      p.sldB.style.top = THIS.pickerFace + 'px'
      p.sldB.style.border = THIS.pickerInset + 'px solid'
      p.sldB.style.borderColor = THIS.pickerInsetColor

      // slider mouse area
      p.sldM.style.display = THIS.slider ? 'block' : 'none'
      p.sldM.style.position = 'absolute'
      p.sldM.style.right = '0'
      p.sldM.style.top = '0'
      p.sldM.style.width = jscolor.images.sld[0] + jscolor.images.arrow[0] + THIS.pickerFace + 2 * THIS.pickerInset + 'px'
      p.sldM.style.height = p.box.style.height
      try {
        p.sldM.style.cursor = 'pointer'
      } catch (eOldIE) {
        p.sldM.style.cursor = 'hand'
      }

      // "close" button
      function setBtnBorder () {
        var insetColors = THIS.pickerInsetColor.split(/\s+/)
        var pickerOutsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1]
        p.btn.style.borderColor = pickerOutsetColor
      }
      p.btn.style.display = THIS.pickerClosable ? 'block' : 'none'
      p.btn.style.position = 'absolute'
      p.btn.style.left = THIS.pickerFace + 'px'
      p.btn.style.bottom = THIS.pickerFace + 'px'
      p.btn.style.padding = '0 15px'
      p.btn.style.height = '18px'
      p.btn.style.border = THIS.pickerInset + 'px solid'
      setBtnBorder()
      p.btn.style.color = THIS.pickerButtonColor
      p.btn.style.font = '12px sans-serif'
      p.btn.style.textAlign = 'center'
      try {
        p.btn.style.cursor = 'pointer'
      } catch (eOldIE) {
        p.btn.style.cursor = 'hand'
      }
      p.btn.onmousedown = function () {
        THIS.hidePicker()
      }
      p.btnS.style.lineHeight = p.btn.style.height

      // load images in optimal order
      switch (modeID) {
        case 0: var padImg = 'hs.png'; break
        case 1: var padImg = 'hv.png'; break
      }
      p.padM.style.backgroundImage = "url('" + jscolor.getDir() + "cross.gif')"
      p.padM.style.backgroundRepeat = 'no-repeat'
      p.sldM.style.backgroundImage = "url('" + jscolor.getDir() + "arrow.gif')"
      p.sldM.style.backgroundRepeat = 'no-repeat'
      p.pad.style.backgroundImage = "url('" + jscolor.getDir() + padImg + "')"
      p.pad.style.backgroundRepeat = 'no-repeat'
      p.pad.style.backgroundPosition = '0 0'

      // place pointers
      redrawPad()
      redrawSld()

      jscolor.picker.owner = THIS
      document.getElementsByTagName('body')[0].appendChild(p.boxB)
    }

    function getPickerDims (o) {
      var dims = [
        2 * o.pickerInset + 2 * o.pickerFace + jscolor.images.pad[0] +
					(o.slider ? 2 * o.pickerInset + 2 * jscolor.images.arrow[0] + jscolor.images.sld[0] : 0),
        o.pickerClosable
          ? 4 * o.pickerInset + 3 * o.pickerFace + jscolor.images.pad[1] + o.pickerButtonHeight
          : 2 * o.pickerInset + 2 * o.pickerFace + jscolor.images.pad[1]
      ]
      return dims
    }

    function redrawPad () {
      // redraw the pad pointer
      switch (modeID) {
        case 0: var yComponent = 1; break
        case 1: var yComponent = 2; break
      }
      var x = Math.round((THIS.hsv[0] / 6) * (jscolor.images.pad[0] - 1))
      var y = Math.round((1 - THIS.hsv[yComponent]) * (jscolor.images.pad[1] - 1))
      jscolor.picker.padM.style.backgroundPosition =
				(THIS.pickerFace + THIS.pickerInset + x - Math.floor(jscolor.images.cross[0] / 2)) + 'px ' +
				(THIS.pickerFace + THIS.pickerInset + y - Math.floor(jscolor.images.cross[1] / 2)) + 'px'

      // redraw the slider image
      var seg = jscolor.picker.sld.childNodes

      switch (modeID) {
        case 0:
          var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1)
          for (var i = 0; i < seg.length; i += 1) {
            seg[i].style.backgroundColor = 'rgb(' +
							(rgb[0] * (1 - i / seg.length) * 100) + '%,' +
							(rgb[1] * (1 - i / seg.length) * 100) + '%,' +
							(rgb[2] * (1 - i / seg.length) * 100) + '%)'
          }
          break
        case 1:
          var rgb; var s; var c = [THIS.hsv[2], 0, 0]
          var i = Math.floor(THIS.hsv[0])
          var f = i % 2 ? THIS.hsv[0] - i : 1 - (THIS.hsv[0] - i)
          switch (i) {
            case 6:
            case 0: rgb = [0, 1, 2]; break
            case 1: rgb = [1, 0, 2]; break
            case 2: rgb = [2, 0, 1]; break
            case 3: rgb = [2, 1, 0]; break
            case 4: rgb = [1, 2, 0]; break
            case 5: rgb = [0, 2, 1]; break
          }
          for (var i = 0; i < seg.length; i += 1) {
            s = 1 - 1 / (seg.length - 1) * i
            c[1] = c[0] * (1 - s * f)
            c[2] = c[0] * (1 - s)
            seg[i].style.backgroundColor = 'rgb(' +
							(c[rgb[0]] * 100) + '%,' +
							(c[rgb[1]] * 100) + '%,' +
							(c[rgb[2]] * 100) + '%)'
          }
          break
      }
    }

    function redrawSld () {
      // redraw the slider pointer
      switch (modeID) {
        case 0: var yComponent = 2; break
        case 1: var yComponent = 1; break
      }
      var y = Math.round((1 - THIS.hsv[yComponent]) * (jscolor.images.sld[1] - 1))
      jscolor.picker.sldM.style.backgroundPosition =
				'0 ' + (THIS.pickerFace + THIS.pickerInset + y - Math.floor(jscolor.images.arrow[1] / 2)) + 'px'
    }

    function isPickerOwner () {
      return jscolor.picker && jscolor.picker.owner === THIS
    }

    function blurTarget () {
      if (valueElement === target) {
        THIS.importColor()
      }
      if (THIS.pickerOnfocus) {
        THIS.hidePicker()
      }
    }

    function blurValue () {
      if (valueElement !== target) {
        THIS.importColor()
      }
    }

    function setPad (e) {
      var mpos = jscolor.getRelMousePos(e)
      var x = mpos.x - THIS.pickerFace - THIS.pickerInset
      var y = mpos.y - THIS.pickerFace - THIS.pickerInset
      switch (modeID) {
        case 0: THIS.fromHSV(x * (6 / (jscolor.images.pad[0] - 1)), 1 - y / (jscolor.images.pad[1] - 1), null, leaveSld); break
        case 1: THIS.fromHSV(x * (6 / (jscolor.images.pad[0] - 1)), null, 1 - y / (jscolor.images.pad[1] - 1), leaveSld); break
      }
    }

    function setSld (e) {
      var mpos = jscolor.getRelMousePos(e)
      var y = mpos.y - THIS.pickerFace - THIS.pickerInset
      switch (modeID) {
        case 0: THIS.fromHSV(null, null, 1 - y / (jscolor.images.sld[1] - 1), leavePad); break
        case 1: THIS.fromHSV(null, 1 - y / (jscolor.images.sld[1] - 1), null, leavePad); break
      }
    }

    function dispatchImmediateChange () {
      if (THIS.onImmediateChange) {
        if (typeof THIS.onImmediateChange === 'string') {
          eval(THIS.onImmediateChange)
        } else {
          THIS.onImmediateChange(THIS)
        }
      }
    }

    var THIS = this
    var modeID = this.pickerMode.toLowerCase() === 'hvs' ? 1 : 0
    var abortBlur = false
    var
      valueElement = jscolor.fetchElement(this.valueElement)
    var styleElement = jscolor.fetchElement(this.styleElement)
    var
      holdPad = false
    var holdSld = false
    var
      leaveValue = 1 << 0
    var leaveStyle = 1 << 1
    var leavePad = 1 << 2
    var leaveSld = 1 << 3

    // target
    /* jscolor.addEvent(target, 'focus', function() {
			if(THIS.pickerOnfocus) { THIS.showPicker(); }
		});
		jscolor.addEvent(target, 'blur', function() {
			if(!abortBlur) {
				window.setTimeout(function(){ abortBlur || blurTarget(); abortBlur=false; }, 0);
			} else {
				abortBlur = false;
			}
		}); */

    // valueElement
    if (valueElement) {
      var updateField = function () {
        THIS.fromString(valueElement.value, leaveValue)
        dispatchImmediateChange()
      }
      jscolor.addEvent(valueElement, 'keyup', updateField)
      jscolor.addEvent(valueElement, 'input', updateField)
      jscolor.addEvent(valueElement, 'blur', blurValue)
      valueElement.setAttribute('autocomplete', 'off')
    }

    // styleElement
    if (styleElement) {
      styleElement.jscStyle = {
        backgroundImage: styleElement.style.backgroundImage,
        backgroundColor: styleElement.style.backgroundColor,
        color: styleElement.style.color
      }
    }

    // require images
    switch (modeID) {
      case 0: jscolor.requireImage('hs.png'); break
      case 1: jscolor.requireImage('hv.png'); break
    }
    jscolor.requireImage('cross.gif')
    jscolor.requireImage('arrow.gif')

    this.importColor()
  }

}

jscolor.install()
